FadeHandler.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

/*
 * Copyright (C) 2006-2010 - Frictional Games
 *
 * This file is part of Penumbra Overture.
 */

#ifndef GAME_FADE_HANDLER_H
#define GAME_FADE_HANDLER_H

#include "hpl1/engine/engine.h"

using namespace hpl;

class cInit;

class cFadeHandler : public iUpdateable {
public:
    cFadeHandler(cInit *apInit);
    ~cFadeHandler();

    void FadeOut(float afTime);
    void FadeIn(float afTime);
    bool IsActive();

    void SetWideScreenActive(bool abX);

    void OnStart();
    void Update(float afTimeStep);
    void Reset();
    void OnDraw();

private:
    cInit *mpInit;
    cGraphicsDrawer *mpDrawer;

    cGfxObject *mpBlackGfx;

    bool mbActive;
    float mfAlpha;
    float mfAlphaAdd;

    bool mbWideScreenActive;
    float mfWideScreenAlpha;
};

#endif // GAME_FADE_HANDLER_H